Home / 29,157.06-40,242.72-18,544.64

Finding the Fourth Proportional to 29,157.06, 40,242.72 and 18,544.64

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Solution

The fourth proportional to 29,157.06, 40,242.72 and 18,544.64 is: 25,595.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,157.06 : 40,242.72 = 18,544.64 : x
  2. Step 2: Convert to fraction form
    29,157.06/40,242.72 = 18,544.64/x
  3. Step 3: Cross multiply
    29,157.06x = 40,242.72 × 18,544.64
  4. Step 4: Simplify right side
    29,157.06x = 746,286,755.02
  5. Step 5: Solve for x
    x = 746,286,755.02/29,157.06
  6. Step 6: Final answer
    x = 25,595.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.